package com.xuenci.common.valid;/*
 *@author:xec
 *@date:2022/4/22  23:31
 */

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {

    private Set<Integer> set = new HashSet<>();
    // 初始化方法会将详细信息提供给我们
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] value = constraintAnnotation.value();
        for (int val : value){
            set.add(val);
        }
    }

    // 判断是否校验成功
    /**
     * @param value  需要校验的值
     * @param context
     * @return
     */
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        return set.contains(value);
    }
}
